India CNT Composite ScanningSpreadingResistanceMicroscopy polymeric_arrays high_resolution IndiumTinOxide Pinpoint nanobar Piezoelectric Scanning_Thermal_Microscopy WPlug FM-KPFM ScanningThermalMicroscopy frequency_modulation oxide_layer Current LaAlO3 atomic_steps HexacontaneFilm LiquidImaging Silicon Plug BlockCopolymer CntFilm Piezo ito_film Electronics CeramicCapacitor I-VSpectroscopy Film Vanadate ConductiveAFM dichalcogenide Worcester_Polytechnic_Institute